Answer:
10
Step-by-step explanation:
Answer:
The original number was: x = 0
Step-by-step explanation:
Let 'x' be the number
Given that:
Dan first divides it by 5
x/5
Then adds 3
x/5 + 3
To get an answer of 3
x/5 + 3 = 3
now solving the expression
Subtract 3 from both sides
Simplify
Multiply both sides by 5
Simplify
Therefore, the original number was: x = 0
Answer:
280
Step-by-step explanation:
First determine how much was paid for food
20 dollars times 20 people
20*20 = 400
We used 30% of that
400 *30%
Change to decimal form
400 *.30
120 was used
How much was left
400-120 = 280
280 was left
The answer is (-4,-2) .
You substitute the value of Y
solve the equation then substitute
the value of X, then again Slove
Answer: normal force of the ground pushing the boy up